IX/39   ==OBSOLETE version of Catalogue==
21-Oct-2008: (by Francois Ochsenbein) See 2XMMi, Cat. IX/40
Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=IX/39

drwxr-xr-x 58 cats archive 4096 Jan 25 2021 [Up] drwxr-xr-x 2 cats archive 4096 May 26 16:19 [TAR file] -rw-r--r-- 1 cats archive 398 Feb 8 2017 .message -rw-r--r-- 1 cats archive 60 Oct 21 2008 =obsolete= -r--r--r-- 1 cats archive 8745 Apr 17 2008 ReadMe -rw-r--r-- 1 cats archive 3431 Feb 8 2017 +footg5.gif -rw-r--r-- 1 cats archive 24536 Feb 8 2017 +footg8.gif -rw-r--r-- 1 cats archive 78165 Nov 9 2007 xmm2cat.fih -r--r--r-- 1 cats archive 204614990 Nov 26 2007 xmm2cat.fit.gz [Uncompressed] -r--r--r-- 1 cats archive 5219 Nov 26 2007 xmm2cat.fit.gzi -r--r--r-- 1 cats archive 20873667 Oct 23 2007 xmm2slim.dat.gz [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 25673610 Oct 23 2007 xmm2slim.fit.gz [Uncompressed]
Beginning of ReadMe : IX/39 The XMM-Newton 2nd Serendipitous Source Catalogue (2XMM) (XMM-SSC, 2007) ================================================================================ The XMM-Newton 2nd Serendipitous Source Catalogue XMM-Newton Survey Science Centre Consortium <XMM-SSC, Leicester, UK (2007)> ================================================================================ ADC_Keywords: X-ray sources ; Surveys ; Mission_Name: XMM Description: 2XMM is the second comprehensive catalogue of serendipitous X-ray sources from the European Space Agency's (ESA) XMM-Newton observatory. The catalogue has been constructed by the XMM-Newton Survey Science Centre (SSC) on behalf of ESA. It is the largest X-ray source catalogue ever produced, containing almost twice as many discrete sources as either the ROSAT survey or pointed catalogues. The catalogue contains source detections drawn from 3491 XMM-Newton EPIC observations covering a sky area of about 360 square degrees, made between 2000 February 3 and 2007 March 31; all datasets were publicly available by 2007 May 01 but not all public observations are included in this catalogue. The catalogue contains 246897 X-ray source detections which relate to 191870 unique X-ray sources. The median flux in the total photon energy band (0.2-12keV) of the catalogue detections is about 2.5x10^-14^erg/cm2/s (25aW/m2). About 20% of the sources have total fluxes below 10^-14^erg/cm2/s (10aW/m2). The catalogue in its FITS version file (xmm2cat.fit) has 246897 entries made of 297 columns; a 'slim' version gathering the 39 most relevant columns for the 191870 unique sources detected, is available as an ascii table or a FITS binary table. In both versions, the columns are fully described in the XMM-Newton User Guide available from: http://xmmssc-www.star.le.ac.uk/Catalogue/UserGuide_xmmcat.html The original names of these columns are included in the "Byte-by-byte Description" below (uppercase names within parentheses) Details about the construction of the catalogue can be found from the XMM-Newton Survey Science Centre (http://xmmssc-www.star.le.ac.uk/)

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